<template>
 <div class="login_container">
     <div class="login_box">
       <!-- 头部区域 -->
       <div class="avatar_box">
         <img src="@/assets/logo.png" alt="">
       </div>
       <!-- 表单区域 -->
        <el-form ref="loginFormRef" :model="loginForm" :rules="loginFormRules" class="login_form">
        <el-form-item prop="username">
          <el-input   v-model="loginForm.username" prefix-icon="iconfont icon-user" placeholder="请输入账号"
                    clearable></el-input>
        </el-form-item>
        <!-- 密码 -->
        <el-form-item prop = "password">
          <el-input v-model="loginForm.password"  prefix-icon="iconfont icon-3702mima" placeholder="请输入密码"
                    show-password
                    clearable></el-input>
        </el-form-item>
        <!-- 按钮区域 -->
        <el-form-item  class="btns">
          <el-button type="primary" @click="login">登录</el-button>
          <el-button type="info" @click="restLogForm">重置</el-button>
        </el-form-item>
      </el-form>

     </div>
  </div>

</template>

<script>
export default {
  data () {
    return {
      loginForm: {
        username: '',
        password: ''
      },
      loginFormRules: {
        username: [
          { required: true, message: '请输入登录名称', trigger: 'blur' },
          { min: 3, max: 10, message: '昵稱长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [{ required: true, message: '请输入登录密碼', trigger: 'blur' },
          { min: 6, max: 12, message: '密碼长度在 3 到 12 个字符', trigger: 'blur' }]
      }
    }
  },
  methods: {
    restLogForm () {
      // console.log(this)
      this.$refs.loginFormRef.resetFields()
    },
    login () {
      this.$refs.loginFormRef.validate(async valid => {
        // console.log(valid)
        // 如果valid参数为true则验证通过
        if (!valid) return
        const { data: res } = await this.$http.post('login', this.loginForm)
        // console.log(result)
        if (res.meta.status !== 200) return this.$message.error('登錄失敗!')
        this.$message.success('登錄成功')

        window.sessionStorage.setItem('token', res.data.token)
        this.$router.push('/home')
      })
    }
  }
}
</script>

<style  lang="less" scoped>
.login_container {
  background-color: #2b4b6b;
  height: 100%;
}

.login_box {
  width: 450px;
  height: 300px;
  background-color: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);

  .avatar_box {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}

.login_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}

.btns {
  display: flex;
  justify-content: flex-end;
}
</style>
